Home / 824,133.70-1,236,200.55-809,371.45

Finding the Fourth Proportional to 824,133.70, 1,236,200.55 and 809,371.45

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Solution

The fourth proportional to 824,133.70, 1,236,200.55 and 809,371.45 is: 1,214,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,133.70 : 1,236,200.55 = 809,371.45 : x
  2. Step 2: Convert to fraction form
    824,133.70/1,236,200.55 = 809,371.45/x
  3. Step 3: Cross multiply
    824,133.70x = 1,236,200.55 × 809,371.45
  4. Step 4: Simplify right side
    824,133.70x = 1,000,545,431,644.30
  5. Step 5: Solve for x
    x = 1,000,545,431,644.30/824,133.70
  6. Step 6: Final answer
    x = 1,214,057.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.